Grid, Predator Killer

First strike, Ambush, Acidic 3
Other Xenomorphs you control gain a +1/+1.
When Grid enters the battlefield sacrifice a
creature.
Whenever Grid is targeted by a spell or ability
you may sacrifice a creature to counter it.
Whenever Grid attacks you may have it
fight target creature an opponent controls.
If mana from a Host token was spent to cast
Grid it gains Double strike.